---
title: "Timer_RTC"
symbolcount: "38"
layout: symlib
archivesize: "3.1K"
---

<table>
<tr>
<th>Symbol</th>
<th>Description</th>
</tr>
<tr>
<td>AB0805</td><td>Description: Real-Time Clock, I2C Interface, 3 GPO, QFN-16<br>Keys: rtc<br>Datasheet: <a href="https://abracon.com/Precisiontiming/AB08X5-RTC.PDF">https://abracon.com/Precisiontiming/AB08X5-RTC.PDF</a></td>
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<td>AB0815</td><td>Description: Real-Time Clock, SPI Interface, 2 GPO, QFN-16<br>Keys: rtc<br>Datasheet: <a href="https://abracon.com/Precisiontiming/AB08X5-RTC.PDF">https://abracon.com/Precisiontiming/AB08X5-RTC.PDF</a></td>
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<td>AB1805</td><td>Description: Real-Time Clock, I2C Interface, 4 GPO, QFN-16<br>Keys: rtc<br>Datasheet: <a href="https://abracon.com/Precisiontiming/AB18X5-RTC.pdf">https://abracon.com/Precisiontiming/AB18X5-RTC.pdf</a></td>
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<td>AB1815</td><td>Description: Real-Time Clock, SPI Interface, 3 GPO, QFN-16<br>Keys: rtc<br>Datasheet: <a href="https://abracon.com/Precisiontiming/AB18X5-RTC.pdf">https://abracon.com/Precisiontiming/AB18X5-RTC.pdf</a></td>
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<td>BQ32000</td><td>Description: Serial, I2C Real-time clock, Trickle charger, 3V to 3.6V VCC, -40C to +85C, SOIC-8<br>Keys: RTC, I2C Timekeeping Chip<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/bq32000.pdf">http://www.ti.com/lit/ds/symlink/bq32000.pdf</a></td>
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<td>BQ32002</td><td>Description: Serial, I2C Real-time clock, 3V to 3.6V VCC, -40°C to +85°C, SOIC-8<br>Keys: RTC, I2C Timekeeping Chip<br>Datasheet: <a href="http://www.ti.com/lit/ds/symlink/bq32002.pdf">http://www.ti.com/lit/ds/symlink/bq32002.pdf</a></td>
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<td>DS1302+</td><td>Description: Trickle-Charge Timekeeping Chip, 2.0V to 5.5V VCC, 0C to +70C, DIP-8<br>Keys: RTC, Trickle-Charge Timekeeping Chip<br>Datasheet: <a href="https://datasheets.maximintegrated.com/en/ds/DS1302.pdf">https://datasheets.maximintegrated.com/en/ds/DS1302.pdf</a></td>
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<td>DS1302N+</td><td>Description: Trickle-Charge Timekeeping Chip, 2.0V to 5.5V VCC, -40°C to +85°C, DIP-8<br>Keys: RTC, Trickle-Charge Timekeeping Chip<br>Datasheet: <a href="https://datasheets.maximintegrated.com/en/ds/DS1302.pdf">https://datasheets.maximintegrated.com/en/ds/DS1302.pdf</a></td>
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<td>DS1302S+</td><td>Description: Trickle-Charge Timekeeping Chip, 2.0V to 5.5V VCC, 0C to +70C, SO-8<br>Keys: RTC, Trickle-Charge Timekeeping Chip<br>Datasheet: <a href="https://datasheets.maximintegrated.com/en/ds/DS1302.pdf">https://datasheets.maximintegrated.com/en/ds/DS1302.pdf</a></td>
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<td>DS1302SN+</td><td>Description: Trickle-Charge Timekeeping Chip, 2.0V to 5.5V VCC, -40°C to +85°C, SO-8<br>Keys: RTC, Trickle-Charge Timekeeping Chip<br>Datasheet: <a href="https://datasheets.maximintegrated.com/en/ds/DS1302.pdf">https://datasheets.maximintegrated.com/en/ds/DS1302.pdf</a></td>
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<td>DS1302Z+</td><td>Description: Trickle-Charge Timekeeping Chip, 2.0V to 5.5V VCC, 0C to +70C, SOIC-8<br>Keys: RTC, Trickle-Charge Timekeeping Chip<br>Datasheet: <a href="https://datasheets.maximintegrated.com/en/ds/DS1302.pdf">https://datasheets.maximintegrated.com/en/ds/DS1302.pdf</a></td>
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<td>DS1302ZN+</td><td>Description: Trickle-Charge Timekeeping Chip, 2.0V to 5.5V VCC, -40°C to +85°C, SOIC-8<br>Keys: RTC, Trickle-Charge Timekeeping Chip<br>Datasheet: <a href="https://datasheets.maximintegrated.com/en/ds/DS1302.pdf">https://datasheets.maximintegrated.com/en/ds/DS1302.pdf</a></td>
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<td>DS1307+</td><td>Description: 64 x 8, Serial, I2C Real-time clock, 4.5V to 5.5V VCC, 0C to +70C, DIP-8<br>Keys: RTC, Trickle-Charge Timekeeping Chip<br>Datasheet: <a href="https://datasheets.maximintegrated.com/en/ds/DS1307.pdf">https://datasheets.maximintegrated.com/en/ds/DS1307.pdf</a></td>
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<td>DS1307N+</td><td>Description: 64 x 8, Serial, I2C Real-time clock, 4.5V to 5.5V VCC, -40°C to +85°C, DIP-8<br>Keys: RTC, Trickle-Charge Timekeeping Chip<br>Datasheet: <a href="https://datasheets.maximintegrated.com/en/ds/DS1307.pdf">https://datasheets.maximintegrated.com/en/ds/DS1307.pdf</a></td>
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<td>DS1307Z+</td><td>Description: 64 x 8, Serial, I2C Real-time clock, 4.5V to 5.5V VCC, 0C to +70C, SOIC-8<br>Keys: RTC, I2C Timekeeping Chip<br>Datasheet: <a href="https://datasheets.maximintegrated.com/en/ds/DS1307.pdf">https://datasheets.maximintegrated.com/en/ds/DS1307.pdf</a></td>
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<td>DS1307ZN+</td><td>Description: 64 x 8, Serial, I2C Real-time clock, 4.5V to 5.5V VCC, -40°C to +85°C, SOIC-8<br>Keys: RTC, I2C Timekeeping Chip<br>Datasheet: <a href="https://datasheets.maximintegrated.com/en/ds/DS1307.pdf">https://datasheets.maximintegrated.com/en/ds/DS1307.pdf</a></td>
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<td>DS1602</td><td>Description: Elapsed Time Counter, -40 to +85 C, 2.5V to 5.5V VCC, DIP-8, SO-8<br>Keys: Elapsed Time Counter<br>Datasheet: <a href="https://datasheets.maximintegrated.com/en/ds/DS1602.pdf">https://datasheets.maximintegrated.com/en/ds/DS1602.pdf</a></td>
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<td>DS3231M</td><td>Description: Extremely Accurate I2C-Integrated RTC/TCXO/Crystal SOIC-16<br>Keys: RTC TCXO Realtime Time Clock Crystal Oscillator I2C<br>Datasheet: <a href="http://datasheets.maximintegrated.com/en/ds/DS3231.pdf">http://datasheets.maximintegrated.com/en/ds/DS3231.pdf</a></td>
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<td>DS3231MZ</td><td>Description: 5ppm, I2C Real-Time Clock SOIC-8<br>Keys: RTC TCXO Realtime Time Clock MEMS I2C<br>Datasheet: <a href="http://datasheets.maximintegrated.com/en/ds/DS3231M.pdf">http://datasheets.maximintegrated.com/en/ds/DS3231M.pdf</a></td>
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<td>DS3232M</td><td>Description: 5ppm, I2C Real-Time Clock with SRAM SOIC-8<br>Keys: RTC TCXO Realtime Time Clock MEMS SRAM I2C<br>Datasheet: <a href="http://datasheets.maximintegrated.com/en/ds/DS3232M.pdf">http://datasheets.maximintegrated.com/en/ds/DS3232M.pdf</a></td>
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<td>M41T62Q</td><td>Description: Low-power I2C RTC with alarm interrupt QFN<br>Keys: I2C RTC Alarm interrupt<br>Datasheet: <a href="http://www.st.com/resource/en/datasheet/m41t62.pdf">http://www.st.com/resource/en/datasheet/m41t62.pdf</a></td>
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<td>MCP7940N-xMNY</td><td>Description: Real-Time Clock, I2C, Battery Backup, TDFN-8<br>Keys: realtime clock RTC<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/20005010F.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/20005010F.pdf</a></td>
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<td>MCP7940N-xMS</td><td>Description: Real-Time Clock, I2C, Battery Backup, MSOP-8<br>Keys: realtime clock RTC<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/20005010F.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/20005010F.pdf</a></td>
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<td>MCP7940N-xP</td><td>Description: Real-Time Clock, I2C, Battery Backup, DIP-8<br>Keys: realtime clock RTC<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/20005010F.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/20005010F.pdf</a></td>
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<td>MCP7940N-xSN</td><td>Description: Real-Time Clock, I2C, Battery Backup, SOIC-8<br>Keys: realtime clock RTC<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/20005010F.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/20005010F.pdf</a></td>
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<td>MCP7940N-xST</td><td>Description: Real-Time Clock, I2C, Battery Backup, TSSOP-8<br>Keys: realtime clock RTC<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/20005010F.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/20005010F.pdf</a></td>
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<td>PCF8523T</td><td>Description: Realtime Clock/Calendar I2C Interface, SOIC-8<br>Keys: I2C RTC Clock Calendar<br>Datasheet: <a href="https://www.nxp.com/docs/en/data-sheet/PCF8523.pdf">https://www.nxp.com/docs/en/data-sheet/PCF8523.pdf</a></td>
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<td>PCF8523TK</td><td>Description: Realtime Clock/Calendar I2C Interface, HVSON-8<br>Keys: I2C RTC Clock Calendar<br>Datasheet: <a href="https://www.nxp.com/docs/en/data-sheet/PCF8523.pdf">https://www.nxp.com/docs/en/data-sheet/PCF8523.pdf</a></td>
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<td>PCF8523TS</td><td>Description: Realtime Clock/Calendar I2C Interface, TSSOP-14<br>Keys: I2C RTC Clock Calendar<br>Datasheet: <a href="https://www.nxp.com/docs/en/data-sheet/PCF8523.pdf">https://www.nxp.com/docs/en/data-sheet/PCF8523.pdf</a></td>
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<td>PCF85263AT</td><td>Description: Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, I2C bus, SO-8<br>Keys: RTC battery I2C<br>Datasheet: <a href="https://www.nxp.com/docs/en/data-sheet/PCF85263A.pdf">https://www.nxp.com/docs/en/data-sheet/PCF85263A.pdf</a></td>
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<td>PCF85263ATT</td><td>Description: Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, I2C bus, TSSOP-8<br>Keys: RTC battery I2C<br>Datasheet: <a href="https://www.nxp.com/docs/en/data-sheet/PCF85263A.pdf">https://www.nxp.com/docs/en/data-sheet/PCF85263A.pdf</a></td>
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<td>PCF85263ATT1</td><td>Description: Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, I2C bus, TSSOP-10<br>Keys: RTC battery I2C<br>Datasheet: <a href="https://www.nxp.com/docs/en/data-sheet/PCF85263A.pdf">https://www.nxp.com/docs/en/data-sheet/PCF85263A.pdf</a></td>
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<td>PCF85363ATT</td><td>Description: Tiny Real-Time Clock/calendar with 64 byte RAM, alarm function, battery switch-over, time stamp input, I2C bus, TSSOP-8<br>Keys: RTC RAM battery I2C<br>Datasheet: <a href="https://www.nxp.com/docs/en/data-sheet/PCF85363A.pdf">https://www.nxp.com/docs/en/data-sheet/PCF85363A.pdf</a></td>
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<td>PCF85363ATT1</td><td>Description: Tiny Real-Time Clock/calendar with 64 byte RAM, alarm function, battery switch-over, time stamp input, I2C bus, TSSOP-10<br>Keys: RTC RAM battery I2C<br>Datasheet: <a href="https://www.nxp.com/docs/en/data-sheet/PCF85363A.pdf">https://www.nxp.com/docs/en/data-sheet/PCF85363A.pdf</a></td>
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<td>PCF8563T</td><td>Description: Realtime Clock/Calendar I2C Interface, SOIC-8<br>Keys: I2C RTC Clock Calendar<br>Datasheet: <a href="https://assets.nexperia.com/documents/data-sheet/PCF8563.pdf">https://assets.nexperia.com/documents/data-sheet/PCF8563.pdf</a></td>
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<td>PCF8563TS</td><td>Description: Realtime Clock/Calendar I2C Interface, TSSOP-8<br>Keys: I2C RTC Clock Calendar<br>Datasheet: <a href="https://assets.nexperia.com/documents/data-sheet/PCF8563.pdf">https://assets.nexperia.com/documents/data-sheet/PCF8563.pdf</a></td>
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<td>RV-1805-C3</td><td>Description: Realtime Clock/Calendar I2C Interface, Extreme Low Power, MicroCrystal C3<br>Keys: Low Power RTC I2C<br>Datasheet: <a href="https://www.microcrystal.com/fileadmin/Media/Products/RTC/Datasheet/RV-1805-C3.pdf">https://www.microcrystal.com/fileadmin/Media/Products/RTC/Datasheet/RV-1805-C3.pdf</a></td>
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<td>RV-8523-C3</td><td>Description: Realtime Clock/Calendar I2C Interface, Low Power, 1.2 V to 5.5 V, MicroCrystal C3<br>Keys: Low Power RTC I2C<br>Datasheet: <a href="https://www.microcrystal.com/fileadmin/Media/Products/RTC/Datasheet/RV-8523-C3.pdf">https://www.microcrystal.com/fileadmin/Media/Products/RTC/Datasheet/RV-8523-C3.pdf</a></td>
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</table>
